diff --git a/files/helpers/regex.py b/files/helpers/regex.py
index 411e8fb18..d0518a704 100644
--- a/files/helpers/regex.py
+++ b/files/helpers/regex.py
@@ -43,7 +43,7 @@ title_regex = re.compile("[^\w ]", flags=re.A)
 controversial_regex = re.compile('https:\/\/old\.reddit\.com/r/\w{2,20}\/comments\/[\w\-.#&/=\?@%+]{5,250}', flags=re.A)
 
 spoiler_regex = re.compile('\|\|(.+?)\|\|' + NOT_IN_CODE_OR_LINKS, flags=re.A)
-sub_regex = re.compile('(?<![\w/])\/?([hH]\/(\w|-){3,25})' + NOT_IN_CODE_OR_LINKS, flags=re.A)
+sub_regex = re.compile('(?<![\w/])\/?([hH]\/[\w-]{3,25})' + NOT_IN_CODE_OR_LINKS, flags=re.A)
 
 strikethrough_regex = re.compile('(^|\s|>|")~{1,2}([^~]+)~{1,2}' + NOT_IN_CODE_OR_LINKS, flags=re.A)
 
@@ -230,11 +230,11 @@ video_link_regex = re.compile(f"https://(videos\.)?{SITE}\/(videos\/)?[0-9a-zA-Z
 asset_image_link_regex = re.compile(f"https:\/\/(i\.)?{SITE}\/assets\/images\/[\w\/]+.webp(\?x=\d+)?", flags=re.A)
 
 #sanitizing
-reddit_mention_regex = re.compile('(?<![\w/])\/?(([ruRU])\/(\w|-){2,25})' + NOT_IN_CODE_OR_LINKS, flags=re.A)
-reddit_domain_regex = re.compile("(^|\s|\()https?:\/\/(reddit\.com|(?:(?:[A-z]{2})(?:-[A-z]{2})" "?|www|new)\.reddit\.com|libredd\.it|reddit\.lol)\/(u|user|(r\/(\w|-){2,25}\/)?comments)\/", flags=re.A)
+reddit_mention_regex = re.compile('(?<![\w/])\/?(([ruRU])\/[\w-]{2,25})' + NOT_IN_CODE_OR_LINKS, flags=re.A)
+reddit_domain_regex = re.compile("(^|\s|\()https?:\/\/(reddit\.com|(?:(?:[A-z]{2})(?:-[A-z]{2})" "?|www|new)\.reddit\.com|libredd\.it|reddit\.lol)\/(u|user|(r\/[\w-]{2,25}\/)?comments)\/", flags=re.A)
 
 #gevent
-reddit_s_url_regex = re.compile("https:\/\/reddit.com\/r\/(\w|-){2,25}\/s\/\w{10}", flags=re.A)
+reddit_s_url_regex = re.compile("https:\/\/reddit.com\/r\/[\w-]{2,25}\/s\/\w{10}", flags=re.A)
 
 #run-time
 reddit_to_vreddit_regex = re.compile('(^|>|")https:\/\/old.reddit.com\/(r|u|user)\/', flags=re.A)